Walmart is sliding despite posting an earnings beat (WMT)

Walmart released its second-quarter earnings report before the bell on Thursday, and the results were mostly positive, but shares are down about 2.5% ahead of the opening bell.  
The company announced comparable sales rose 1.8% compared to the same time last year, and merchandise volume from its online business soared by 67% compared to last year.
Adjusted earnings came in at $1.08 per share while revenue totaled $123.36 billion, both were ahead of estimates.
The only mark on the